1 adverb with sneaky clevernessgo glic c m ugo sleamhain c m ugo slítheánta c m uthey deviously planned the attackbheartaigh siad an t-ionsaí go slítheánta2 adverb ingeniouslythere's a deviously complicated plot to the noveltá plota an úrscéil seo thar a bheith casta